CN110173822A - Progress control method, control device, air conditioner and computer readable storage medium - Google Patents
Progress control method, control device, air conditioner and computer readable storage medium Download PDFInfo
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- CN110173822A CN110173822A CN201910472127.6A CN201910472127A CN110173822A CN 110173822 A CN110173822 A CN 110173822A CN 201910472127 A CN201910472127 A CN 201910472127A CN 110173822 A CN110173822 A CN 110173822A
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- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000003860 storage Methods 0.000 title claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 210
- 230000005611 electricity Effects 0.000 claims abstract description 67
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 239000003507 refrigerant Substances 0.000 claims description 125
- 238000010257 thawing Methods 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 31
- 238000004590 computer program Methods 0.000 claims description 13
- 230000009467 reduction Effects 0.000 claims description 12
- 238000005057 refrigeration Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 67
- 238000010586 diagram Methods 0.000 description 33
- 230000006870 function Effects 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 7
- 238000001816 cooling Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 230000007812 deficiency Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006698 induction Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/42—Defrosting; Preventing freezing of outdoor units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/31—Low ambient temperatures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Signal Processing (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of progress control method, operating control device, air conditioner and computer readable storage mediums, progress control method includes: that the air conditioner runs on heating mode, is determined according to the duty parameter got and switches to defrost pattern or the auxiliary hot component of unlatching electricity in the heating mode by the heating mode；In the defrost pattern, control four-way valve maintains conducting direction constant, and first bypass line is connected to first one-way control valve and/or second one-way control valve transmission specified control signal.According to the technical solution of the present invention, detecting the presence of frosting risk but the stage of not up to defrost condition, since the limitation of frosting causes the heating effect of air conditioner to reduce, therefore the auxiliary hot component of electricity can first be opened, to be promoted, there are the heating effects under the operating condition of frosting risk, and then the leaving air temp and room heating effect of promotion indoor unit.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of progress control method, a kind of operation control dress
It sets, a kind of air conditioner and a kind of computer readable storage medium.
Background technique
In the related technology, when air conditioner is run in a heating mode, the outdoor heat exchanger in low temperature and high relative humidity environment is easy
Frosting carries out the commutation of four-way valve when current solution is defrost, switch to refrigeration cycle operation, reaches outdoor unit defrosting
Purpose, but will affect the heating effect to room.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of progress control methods.
It is another object of the present invention to provide a kind of operating control devices.
It is another object of the present invention to provide a kind of air conditioners.
It is another object of the present invention to provide a kind of computer readable storage mediums.
To achieve the above object, the technical solution of first aspect present invention provides a kind of air conditioner, comprising: compressor；
Four-way valve is connected to the exhaust end of the compressor and air return end；Outdoor heat exchanger and room by the connection of the first refrigerant pipeline
Interior heat exchanger can be connected to the four-way valve respectively；First throttling device is arranged on first refrigerant pipeline；First
Bypass line is arranged in parallel with first refrigerant pipeline；First one-way control valve and the second one-way control valve are arranged described
On first bypass line, at least one of first one-way control valve and second one-way control valve can be along the rooms
External heat exchanger ends to the flow direction of the indoor heat exchanger；Controller, respectively with the four-way valve, first one-way control valve
And the second one-way control valve electrical connection, defrosting operation is opened in a heating mode, is controlled the four-way valve and is remained current
Conducting direction, and to first one-way control valve and/or second one-way control valve transmission specified control signal make
The first bypass line conducting.
Wherein, in refrigeration mode, refrigerant is arranged from the exhaust end of compressor to four-way valve, flows to outdoor heat exchange by four-way valve
Device, in heating mode, refrigerant flows to outdoor heat exchanger from indoor heat exchanger, then flows to four-way valve from outdoor heat exchanger, and
Return to the air return end of compressor.
In the technical scheme, by bypass line in parallel with the refrigerant pipeline for being provided with throttling set, and in bypass pipe
Setting control valve in road controls first bypass pipe in parallel with the first refrigerant pipeline by control valve when executing defrosting operation
Road conducting to reduce the pressure difference between indoor heat exchanger and outdoor heat exchanger, and passes through the in conjunction with the control to throttling set
Bypass line reason conducting, enables the high temperature refrigerant of indoor heat exchanger side to rapidly flow to outdoor heat exchanger, and then cold by high temperature
Matchmaker, which is radiated, realizes defrosting effect.
Wherein, the first one-way control valve is arranged close to indoor heat exchanger, and the second one-way control valve is set close to outdoor heat exchanger
It sets, the first one-way control valve and the second one-way control valve include the following three types set-up mode:
The cut-off direction of first one-way control valve is indoor heat exchanger to outdoor heat exchanger, the second one-way control valve and first
One-way control valve is oppositely arranged.
The cut-off direction of first one-way control valve is outdoor heat exchanger to indoor heat exchanger, the second one-way control valve and first
One-way control valve is oppositely arranged.
The cut-off direction of first one-way control valve and the second one-way control valve is indoor heat exchanger to outdoor heat exchanger side
To.
In above-mentioned technical proposal, optionally, first one-way control valve and second one-way control valve are closed type
Unidirectional electromagnet cut off valve, first one-way control valve and second one-way control valve are oppositely arranged, and the controller can
One controlled in first one-way control valve and second one-way control valve powers on rear bidirectionally conductive, makes by the of described first
The conducting of siphunculus road.
In the technical scheme, real-time mode as one preferred, using the unidirectional electromagnet cut off valve of closed type as
One one-way control valve and the second one-way control valve, and be electrically connected with the controller respectively, the unidirectional electromagnet cut off valve of closed type is powering off
Under state, a direction conducting can be made, end another direction, under power-up state, then can be bidirectionally conductive, therefore
When needing to export high temperature refrigerant to outdoor heat exchanger from indoor heat exchanger, then only need to send power on signal to one of,
Another can be connected along indoor heat exchanger to the direction of outdoor heat exchanger in the power-off state, therefore control mode is simpler
It is single, and for bi-directional electromagnetic shut-off valve, it prepares lower with the cost of control.
It is unidirectional due to one-way control valve in addition, in cooling mode, refrigerant flows to indoor heat exchanger by outdoor heat exchanger
Cut-off characteristics, which does not need to power on, can be realized the cut-off of the first bypass flow path, relative to multiple one-way control valves or bi-directional electromagnetic control
The plan of establishment of valve processed is compared, and preparation cost is low, and reliability with higher.
In above-mentioned technical proposal, optionally, the outdoor heat exchanger is connected with that four-way valve by the second refrigerant pipeline,
Second throttling device, the air conditioner are provided on second refrigerant pipeline further include: the second bypass line, with described second
Refrigerant pipeline is arranged in parallel；Second control valve, setting are electrically connected on second bypass line, and between the controller
It connects, to make the second bypass line on or off by receiving the control signal that the controller is sent.
In above-mentioned technical proposal, optionally, second control valve be unidirectional electromagnet cut off valve or bi-directional electromagnetic shut-off valve,
If second control valve is unidirectional electromagnet cut off valve, the cut-off direction of second control valve be along the outdoor heat exchanger to
The direction of the four-way valve.
In the technical scheme, it is arranged in parallel with second throttling device by using normally closed unidirectional electromagnet cut off valve or normally closed
Bi-directional electromagnetic shut-off valve is arranged in parallel with second throttling device, is conducive to improve liquid hammer risk when executing defrosting operation.
Preferably, the second control valve is also unidirectional electromagnet cut off valve, and unidirectional electromagnet cut off valve is further that closed type is unidirectional
Electromagnet cut off valve.
In the case that unidirectionally electromagnet cut off valve is due to power-off there is single-phase cutoff function to be not required in cooling mode
It controls and powers on, therefore preparation cost is lower, and bi-directional electromagnetic shut-off valve can be realized flow control in conjunction with second throttling device
The function of system.
In above-mentioned technical proposal, optionally, further includes: refrigerant heating device is electrically connected with the controller, is set to institute
It states on the pipeline between exhaust end and the four-way valve, and/or is set on the corresponding gas-liquid separator of the air return end, be used for
It is opened in defrosting operation, heating is carried out with the refrigerant that the compressor is discharged and/or to the refrigerant for returning to the compressor
It is heated.
In the technical scheme, refrigerant heating device is arranged by the exhaust end in compressor, to promote compressor discharge
Refrigerant temperature, on the one hand, be conducive to be promoted under heating mode on the other hand indoor heating effect, is also beneficial to increase
The heat that the refrigerant for flowing to outdoor heat exchanger from indoor heat exchanger carries, and then promote defrosting effect.
By the way that refrigerant heating device is arranged on gas-liquid separator, air-breathing mass dryness fraction when being able to ascend defrost alleviates compressor
The problem of returning liquid improves reliability.
In above-mentioned technical proposal, optionally, further includes: the auxiliary hot component of electricity is correspondingly arranged with the indoor heat exchanger, and with
It is electrically connected between the controller, for being opened in the defrost pattern, to be heated to the indoor heat exchanger.
In the technical scheme, frosting risk is being detected the presence of but the stage of not up to defrost condition, due to frosting
Limitation cause the heating effect of air conditioner to reduce, therefore can first open the auxiliary hot component of electricity, there are frosting risks to be promoted
Heating effect under operating condition, and then promote the leaving air temp and room heating effect of indoor unit.
In addition, since the high temperature refrigerant of indoor heat exchanger flows to outdoor heat exchanger, causing to influence under defrost pattern
Heating effect can make up for it by opening the auxiliary hot component of electricity to the deficiency of indoor heating ability under defrost pattern, to guarantee user
Usage experience.
In above-mentioned technical proposal, optionally, the outdoor heat exchanger is constructed by single heat exchanger tube and is formed.
In the technical scheme, outdoor heat exchanger is constructed by using single heat exchanger tube, reduces and is exposed to outdoor surface
Product, therefore can reduce the difficulty of defrost, to guarantee when four-way valve maintains circulating direction identical with heating mode
The reliability of frost operation.
In above-mentioned technical proposal, optionally, the outdoor heat exchanger is constructed by multiple rows of heat exchanger tube and is formed.
Wherein, multiple rows of heat exchanger tube may include 2.6 row of room, double, 1.6 rows, 1.5 rows etc..
In above-mentioned technical proposal, optionally, further includes: outdoor fan is oppositely arranged with the outdoor heat exchanger, and with institute
It states and is electrically connected between controller；Indoor fan is oppositely arranged with the indoor heat exchanger, and is electrically connected between the controller
It connects, wherein in the defrost pattern, the controller controls the outdoor fan reduction of speed, and according to anti-cold wind rule control
The indoor fan operation.
In the technical scheme, in air conditioner operational process, that is, detect the tube temperature of indoor heat exchanger less than first
When temperature threshold, indoor fan, which is opened, to be caused to influence heating effect to blows cold wind indoors, anti-cold by the setting of indoor fan
Air control system rule, i.e., the tube temperature of heat exchanger just opens indoor fan in the case where being greater than or equal to the first temperature threshold indoors,
And the revolving speed of indoor fan is directly proportional to the tube temperature of indoor heat exchanger, to reach preferable heating effect.
In addition, when executing defrosting operation, by control outdoor fan reduction of speed or out of service, to prevent outdoor heat exchanger
Heat to outdoor diffusion, to obtain good defrosting effect.
Wherein, the first temperature threshold can be determined according to the body surface temperature induction of user.
In above-mentioned technical proposal, optionally, the throttling set is electric expansion valve；The control valve is electromagnetism cut-off
Valve.
In addition, throttling set can also be capillary, throttling in the case where throttling set is controlled without controller
Valve, self-sustaining throttle valve, the throttling component such as heating power expansion valve.
In above-mentioned technical proposal, optionally, the first throttling device is capillary, electric expansion valve and heating power expansion valve
In any one；The second throttling device is any one in capillary, electric expansion valve and heating power expansion valve.
Wherein, electric expansion valve and heating power expansion valve are the controllable throttling set of aperture.
The technical solution of second aspect of the present invention provides a kind of progress control method, the technical side suitable for first aspect
Air conditioner described in case, the progress control method includes: that the air conditioner runs on heating mode, according to the work got
Condition parameter, which is determined, switches to defrost pattern or the auxiliary hot component of unlatching electricity in the heating mode by the heating mode；Described
In defrost pattern, control four-way valve maintains conducting direction constant, and singly to first one-way control valve and/or described second
First bypass line is connected to control valve transmission specified control signal.
In the technical scheme, by bypass line in parallel with the refrigerant pipeline for being provided with throttling set, and in bypass pipe
Setting control valve in road controls first bypass pipe in parallel with the first refrigerant pipeline by control valve when executing defrosting operation
Road conducting to reduce the pressure difference between indoor heat exchanger and outdoor heat exchanger, and passes through the in conjunction with the control to throttling set
Bypass line reason conducting, enables the high temperature refrigerant of indoor heat exchanger side to rapidly flow to outdoor heat exchanger, and then cold by high temperature
Matchmaker, which is radiated, realizes defrosting effect.
Wherein, the duty parameter includes temperature case parameter and/or time duty parameter.
In addition, making institute to first one-way control valve and/or second one-way control valve transmission specified control signal
The conducting of the first bypass line is stated, according to the difference of the first one-way control valve and the set-up mode of the second one-way control valve, corresponding tool
There is different control modes, comprising:
If the cut-off direction of the first one-way control valve is indoor heat exchanger to outdoor heat exchanger, the second one-way control valve and the
One one-way control valve is oppositely arranged, opens the conducting of the first one-way control valve by control at this time, the first bypass flow path is connected, this
When the second one-way control valve be in when uncontrolled along indoor heat exchanger to the direction of outdoor heat exchanger be connected.
If the cut-off direction of the first one-way control valve is outdoor heat exchanger to indoor heat exchanger, the second one-way control valve and the
One one-way control valve is oppositely arranged, opens the conducting of the second one-way control valve by control at this time, the first bypass flow path is connected, this
When the first one-way control valve be in when uncontrolled along indoor heat exchanger to the direction of outdoor heat exchanger be connected.
The cut-off direction of first one-way control valve and the second one-way control valve is indoor heat exchanger to outdoor heat exchanger side
To being connected at this point, controlling the first one-way control valve simultaneously with the second one-way control valve.
In above-mentioned technical proposal, optionally, further includes: if opening the auxiliary hot component of electricity, continue to acquire the operating condition
Whether parameter has the heating mode to switch to the defrost pattern to be continued to test according to the duty parameter.
In the technical scheme, if determining that current outdoor heat exchanger there are the risk of frosting, that is, enters according to duty parameter
Frosting detection-phase, at this time by determining corresponding defrost unlocking condition and auxiliary heating unlocking condition, to detect rank in frosting
Section continues to test real-time duty parameter, with one in duty parameter and defrost unlocking condition or auxiliary heating unlocking condition
When realizing matching, execute corresponding control operation, on the one hand, detecting the presence of frosting risk still not up to defrost condition
Stage can first open the auxiliary hot component of electricity, be deposited with being promoted since the limitation of frosting causes the heating effect of air conditioner to reduce
Heating effect under the operating condition of frosting risk, and then the leaving air temp and room heating effect of indoor unit are promoted, on the other hand,
By setting defrost unlocking condition and auxiliary heating unlocking condition, the time point for entering defrost pattern can accurately be commented
Estimate, so that the duration for being beneficial to prevent defrosting mode is too long, influences the normal use of user.
In above-mentioned technical proposal, optionally, the air conditioner runs on the heating mode, further includes: control described the
One one-way control valve is closed, so that the outdoor heat exchanger of the first bypass cut-off and the air conditioner passes through the second refrigerant
Pipeline is connect with four-way valve, if second refrigerant pipeline is parallel with the second bypass flow path, is arranged in second bypass flow path
There is the second control valve, then control second control valve and open, so that corresponding second bypass flow path is connected.
In the technical scheme, in a heating mode, the first one-way control valve of control is closed, so that corresponding first bypass
Pipeline cut-off, by adjusting the first throttling device on parallel pipeline, realization heat-production functions, the second control valve of control is opened, with
Corresponding second bypass line is connected, to guarantee the reliability of refrigerant circulation between outdoor heat exchanger and four-way valve.
In above-mentioned technical proposal, optionally, first one-way control valve is opened in the control, so that first bypass
Pipeline conducting, further includes: control second control valve is closed, with second bypass line cut-off.
In the technical scheme, in the side that outdoor heat exchanger is connect with indoor heat exchanger, by be provided with throttling dress
The refrigerant pipeline parallel connection bypass line set, and control valve is set on bypass line, when executing defrosting operation, pass through control valve
Control is connected with the first bypass line of the first refrigerant pipeline parallel connection, in conjunction with the control to throttling set, to reduce indoor heat exchange
Pressure difference between device and outdoor heat exchanger, and by the first bypass management conducting, enable the high temperature refrigerant of indoor heat exchanger side
Outdoor heat exchanger is enough rapidly flowed to, and then is radiated by high temperature refrigerant and realizes defrosting effect.
In the side that outdoor heat exchanger is connect with four-way valve, filled by using normally closed unidirectional electromagnet cut off valve and the second throttling
It sets and is arranged in parallel or normally closed bi-directional electromagnetic shut-off valve is arranged in parallel with second throttling device, be conducive to improve when executing defrosting operation
Liquid hammer risk.
In above-mentioned technical proposal, optionally, it is provided with second throttling device on second refrigerant pipeline, if by the system
Heat pattern switches to the defrost pattern, further includes: in the defrost pattern, determines temperature range belonging to outdoor temperature；
Corresponding first object aperture and the second target aperture are determined according to the temperature range；The first throttling device is controlled to adjust
To the first object aperture；It controls the second throttling device and is adjusted to the second target aperture.
Wherein, the temperature value in temperature range is lower, and the aperture of corresponding throttling set is bigger.
Wherein, by the control to first throttling device, it can be realized the defrosting effect under heating mode, by second
The control of throttling set, during can reduce defrost, compressor is run by the probability of liquid hammer to promote air-conditioner system
Reliability.
In above-mentioned technical proposal, optionally, if switching to the defrost pattern by the heating mode, further includes: in institute
It states in defrost pattern, if detecting, indoor tube temperature is greater than or equal to the first temperature threshold, it controls and opens the indoor fan, and
And the revolving speed of the indoor fan controls between the indoor tube temperature as positive correlation；And the control outdoor fan reduction of speed fortune
Row.
In the technical scheme, in air conditioner operational process, that is, detect the tube temperature of indoor heat exchanger less than first
When temperature threshold, indoor fan, which is opened, to be caused to influence heating effect to blows cold wind indoors, anti-cold by the setting of indoor fan
Air control system rule, i.e., the tube temperature of heat exchanger just opens indoor fan in the case where being greater than or equal to the first temperature threshold indoors,
And the revolving speed of indoor fan is directly proportional to the tube temperature of indoor heat exchanger, to reach preferable heating effect.
In addition, when executing defrosting operation, by control outdoor fan reduction of speed or out of service, to prevent outdoor heat exchanger
Heat to outdoor diffusion, to obtain good defrosting effect.
Wherein, the first temperature threshold can be determined according to the body surface temperature induction of user.
In above-mentioned technical proposal, optionally, if switching to the defrost pattern by the heating mode, further includes: in institute
It states in defrost pattern, the auxiliary hot component of electricity is opened in control.
In the technical scheme, frosting risk is being detected the presence of but the stage of not up to defrost condition, due to frosting
Limitation cause the heating effect of air conditioner to reduce, therefore can first open the auxiliary hot component of electricity, there are frosting risks to be promoted
Heating effect under operating condition, and then promote the leaving air temp and room heating effect of indoor unit.
In addition, since the high temperature refrigerant of indoor heat exchanger flows to outdoor heat exchanger, causing to influence under defrost pattern
Heating effect can make up for it by opening the auxiliary hot component of electricity to the deficiency of indoor heating ability under defrost pattern, to guarantee user
Usage experience.
In above-mentioned technical proposal, optionally, if switching to the defrost pattern by the heating mode, further includes: in institute
It states in defrost pattern, refrigerant heating device is opened in control.
In the technical scheme, refrigerant heating device is arranged by the exhaust end in compressor, to promote compressor discharge
Refrigerant temperature, on the one hand, be conducive to be promoted under heating mode on the other hand indoor heating effect, is also beneficial to increase
The heat that the refrigerant for flowing to outdoor heat exchanger from indoor heat exchanger carries, and then promote defrosting effect.
By the way that refrigerant heating device is arranged on gas-liquid separator, air-breathing mass dryness fraction when being able to ascend defrost alleviates compressor
The problem of returning liquid improves reliability.
In above-mentioned technical proposal, optionally, is determined according to the duty parameter and defrost mould is switched to by the heating mode
Formula opens the auxiliary hot component of electricity in the heating mode, specifically includes: in the heating mode, detect room temperature into
Enter the first temperature threshold section；Determine multiple second temperature threshold intervals corresponding with first temperature threshold section；Detection
Enter any second temperature threshold interval to outdoor temperature, determination is corresponding with any second temperature threshold interval respectively
Defrost unlocking condition and auxiliary heating unlocking condition；Before opening defrosting operation according to the defrost unlocking condition, detect
Collected duty parameter is matched with auxiliary heating unlocking condition, then controls the auxiliary hot component of unlatching electricity.
In the technical scheme, by presetting the first temperature threshold section corresponding with room temperature, and with it is first warm
The corresponding multiple second temperature threshold intervals of threshold interval are spent, second temperature threshold interval is corresponding with outdoor temperature, if detecting
Room temperature is in the first temperature threshold section, and when outdoor temperature is in any second temperature threshold interval, shows frosting
Risk it is big, that is, enter frosting detection-phase, if there is frost, but frost thickness is not up to the degree of defrost of needing, this
When by determining that corresponding with second temperature threshold interval defrost unlocking condition and auxiliary heat unlocking condition, to be detected in frosting
Stage continues to test real-time duty parameter, with one in duty parameter and defrost unlocking condition or auxiliary heating unlocking condition
When a realization matches, corresponding control is specified to operate, for example, being then directly entered defrost mould when matching with defrost unlocking condition
Formula then first opens the auxiliary hot component of electricity when matching with auxiliary heating unlocking condition, to guarantee to indoor heating effect, a side
Face is detecting frost occur, but frost thickness is not up to the degree for needing defrost but the rank of not up to defrost condition
Section can first open the auxiliary hot component of electricity, be opened with being promoted since the limitation of frosting causes the heating effect of air conditioner to reduce
Heating effect before defrosting operation on the other hand, can be right by setting defrost unlocking condition and auxiliary heating unlocking condition
Time point into defrost pattern carries out accurate evaluation, to be conducive to reduce the opening time of defrosting operation, prevents from influencing to use
Normal use of the family to air conditioner.
It is optionally, described to be determined according to the duty parameter by the switching to of heating mode in above-mentioned technical proposal
White mode opens the auxiliary hot component of electricity in the heating mode, specifically further include: in the frosting detection-phase, if detecting
The variable quantity of the temperature difference between the variable quantity of outdoor tube temperature, and/or indoor tube temperature and room temperature meets the defrost open strip
Part then switches to the defrost pattern.
In above-mentioned technical proposal, optionally, further includes: during executing defrosting operation, continue to acquire duty parameter, if
It detects that the duty parameter satisfaction exits defrost condition, then the heating mode is switched back by the defrost pattern, wherein institute
The variable quantity absolute threshold for stating the outdoor tube temperature in defrost unlocking condition is greater than the outdoor pipe assisted in heating unlocking condition
The variable quantity absolute threshold of temperature.
Wherein, variable quantity absolute threshold is absolute value, and when change rate threshold value is considered as an absolute value, (i.e. variable quantity is exhausted
To threshold value), then the variable quantity absolute threshold of the outdoor tube temperature in defrost unlocking condition is greater than the room in auxiliary heating unlocking condition
The variable quantity absolute threshold of outer tube temperature, in fact, with the increase of running time, outdoor tube temperature is in decline state, therefore its
Actual variable quantity is a negative value, and in this case, the variable quantity threshold value of the outdoor tube temperature in defrost unlocking condition is less than
The variable quantity threshold value of outdoor tube temperature in auxiliary heating unlocking condition.
In the technical scheme, by the variable quantity absolute threshold to the outdoor tube temperature in defrost unlocking condition in described auxiliary
The restriction for helping the variable quantity absolute threshold of the outdoor tube temperature in heating unlocking condition makes the condition for opening the auxiliary heat of electricity be easier to reach,
Comparatively defrost unlocking condition is more difficult to reach, therefore can satisfy and open the auxiliary heat of electricity between defrost, heats to indoor auxiliary
Demand.
In above-mentioned technical proposal, optionally, further includes: if switching back into the heating mode, whether sensing chamber's internal pipe temperature is big
In or equal to second temperature threshold value；If the interior tube temperature is less than the second temperature threshold value, the auxiliary hot component of the electricity is controlled
Open state is kept, until the indoor tube temperature rises to more than or equal to the second temperature threshold value.
In the technical scheme, by the relationship between sensing chamber's internal pipe temperature and second temperature threshold value after defrost, really
It is fixed whether to continue starting the auxiliary hot component of electricity, to solve the problems, such as that indoor heat exchanger heat supply heats up slow after the completion of defrost.
Second temperature threshold value indicates that the indoor heat exchanger tube temperature can not provide good heating air-out effect, can be according to making
It is determined with empirical value.
In above-mentioned technical proposal, optionally, further includes: the air conditioner runs on refrigeration mode, and it is single to control described first
It is closed to control valve and second one-way control valve, so that first bypass line ends；If on the second refrigerant flow
Second control valve is set, and second control valve is unidirectional electromagnet cut off valve, then controls the unidirectional electromagnet cut off valve power-off,
If second control valve is bi-directional electromagnetic shut-off valve, controls the bi-directional electromagnetic shut-off valve and power on, so that by the of described second
The conducting of siphunculus road.
In the technical scheme, by jointly controlling to the first one-way control valve and the second electromagnet cut off valve, system is realized
The independent operating and heating mode of cold mode and defrost pattern take into account operation.
Wherein, the one-way conduction direction of the unidirectional electromagnet cut off valve is from the four-way valve to the outdoor heat exchanger side
To.
The technical solution of third aspect present invention provides a kind of operating control device, is suitable for air conditioner, comprising: processing
Device, the processor can be realized when executing computer program: operation control described in the technical solution of second aspect of the present invention
The step of method processed.
The technical solution of fourth aspect present invention provides a kind of air conditioner, comprising: the technical solution of above-mentioned second aspect
The operating control device of offer.
The computer readable storage medium that the embodiment of fifth aspect present invention provides, is stored thereon with computer program,
The step of computer program is performed, and realizes progress control method described in any of the above-described technical solution.
Air conditioner provided herein and the progress control method suitable for the air conditioner at least have following technology
Effect:
(1) by using two concatenated modes of reversed one-way control valve, interior is flowed to by outdoor heat exchanger in refrigerant
When heat exchanger, it is only necessary to send control instruction to an one-way control valve, the cut-off of the first bypass flow path can be realized, in refrigerant
When flowing to outdoor heat exchanger by indoor heat exchanger, can be realized since the unidirectional cutoff characteristic of one-way control valve does not need to power on
The cut-off of one bypass flow path, the plan of establishment relative to multiple one-way control valves or bi-directional electromagnetic control valve are compared, preparation cost
It is low, and reliability with higher.
(2) by the way that the second control valve and second throttling device is respectively set on flow path in parallel, by controlling the second section
Device is flowed, during can reduce defrost, to the liquid hammer risk of compressor.
(3) the auxiliary hot component of electricity and/or refrigerant heating device are opened by control, solution frosting can be improved and do not enter defrost
Heating effect persistently reduces, and the defrost stage is low with heating effect from indoor heat absorption, and heating effect rises slow after defrost is completed
Deng the problem of the thermal energy deficiency of three different phases.
(4) by setting refrigerant heating device, air-breathing mass dryness fraction when being able to ascend defrost alleviates the problem of compressor returns liquid,
Improve reliability.
(5) it by setting refrigerant heating device, can be improved delivery temperature, and then promote defrosting effect.
Additional aspect and advantage of the invention will provide in following description section, will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the schematic configuration diagram of air conditioner according to an embodiment of the invention；
Fig. 2 shows the structural schematic diagrams of throttling set according to an embodiment of the invention；
Fig. 3 shows the schematic configuration diagram of air conditioner according to another embodiment of the invention；
Fig. 4 shows the schematic configuration diagram of the air conditioner of still another embodiment in accordance with the present invention；
Fig. 5 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Fig. 6 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Fig. 7 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Fig. 8 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Fig. 9 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 10 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 11 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 12 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 13 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 14 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 15 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 16 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 17 shows the schematic configuration diagrams of air conditioner according to still another embodiment of the invention；
Figure 18 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 19 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 20 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 21 shows the schematic configuration diagram of air conditioner according to still another embodiment of the invention；
Figure 22 shows the schematic flow diagram of progress control method according to an embodiment of the invention；
Figure 23 shows the schematic flow diagram of progress control method according to another embodiment of the invention；
Figure 24 shows the schematic flow diagram of the progress control method of still another embodiment in accordance with the present invention；
Figure 25 shows the schematic flow diagram of progress control method according to still another embodiment of the invention；
Figure 26 shows the schematic flow diagram of progress control method according to still another embodiment of the invention；
Figure 27 shows the schematic block diagram of operating control device according to an embodiment of the invention.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 1 into Figure 21 are as follows:
| Label | Component names | Label | Component names |
| 102 | Compressor | 104 | Four-way valve |
| 106 | Outdoor fan | 108 | Outdoor heat exchanger |
| 110 | Indoor heat exchanger | 112 | Indoor fan |
| 114 | First throttling device | 116 | First one-way control valve |
| 118 | Second one-way control valve | 120 | Second throttling device |
| 122 | Second control valve | 124 | The auxiliary hot component of electricity |
| 126 | Refrigerant heating device |
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, implementation of the invention
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
As shown in Figure 1, the air conditioner that the progress control method in the application uses can have with lower component, comprising: pressure
Contracting machine 102, four-way valve 104, outdoor fan 106, outdoor heat exchanger 108, indoor heat exchanger 110, indoor fan 112, in outdoor
The first refrigerant pipeline is connected between heat exchanger 108 and indoor heat exchanger 110, the first refrigerant pipeline is provided with first throttling device
114, the first bypass line is arranged in parallel with first refrigerant pipeline；First one-way control valve 116 and the second one-way control valve
118, it is separately positioned on first bypass line, first one-way control valve 116 and second one-way control valve 118
At least one of can along the outdoor heat exchanger 108 to the flow direction of the indoor heat exchanger 110 end；Controller, respectively
It is electrically connected with the four-way valve, first one-way control valve 116 and second one-way control valve 118, in heating mode
Lower unlatching defrosting operation, controls the conducting direction that the four-way valve remains current, and to first one-way control valve 116
And/or second one-way control valve 118 transmits specified control signal and first bypass line is connected.
In this embodiment, by bypass line in parallel with the refrigerant pipeline for being provided with throttling set, and in bypass line
Upper setting control valve controls first bypass line in parallel with the first refrigerant pipeline by control valve when executing defrosting operation
Conducting, in conjunction with the control to throttling set, to reduce the pressure difference between indoor heat exchanger 110 and outdoor heat exchanger 108, and leads to
The first bypass management conducting is crossed, so that the high temperature refrigerant of 110 side of indoor heat exchanger is rapidly flowed to outdoor heat exchanger 108, in turn
It is radiated by high temperature refrigerant and realizes defrosting effect.
Wherein, the first one-way control valve 116 is arranged close to indoor heat exchanger 110, and the second one-way control valve 118 is close to room
External heat exchanger 108 is arranged, and the first one-way control valve 116 and the second one-way control valve 118 include the following three types set-up mode:
The cut-off direction of first one-way control valve 116 is that indoor heat exchanger 110 is unidirectionally controlled to outdoor heat exchanger 108, second
Valve 118 processed and the first one-way control valve 116 are oppositely arranged.
The cut-off direction of first one-way control valve 116 is that outdoor heat exchanger 108 is unidirectionally controlled to indoor heat exchanger 110, second
Valve 118 processed and the first one-way control valve 116 are oppositely arranged.
The cut-off direction of first one-way control valve 116 and the second one-way control valve 118 is indoor heat exchanger 110 to room
108 direction of external heat exchanger.
In above-described embodiment, optionally, first one-way control valve 116 and second one-way control valve 118 are normal
The unidirectional electromagnet cut off valve of closed form, first one-way control valve 116 and second one-way control valve 118 are oppositely arranged, described
Controller can control first one-way control valve 116 powered on one in second one-way control valve 118 it is rear two-way
First bypass line is connected in conducting.
In this embodiment, real-time mode as one preferred, using the unidirectional electromagnet cut off valve of closed type as first
One-way control valve 116 and the second one-way control valve 118, and be electrically connected with the controller respectively, the unidirectional electromagnet cut off valve of closed type exists
Under off-position, a direction conducting can be made, end another direction, under power-up state, then can be bidirectionally conductive, because
This then only needs to send to one of when needing to export high temperature refrigerant to outdoor heat exchanger 108 from indoor heat exchanger 110
Power on signal, another can be connected along indoor heat exchanger 110 to the direction of outdoor heat exchanger 108 in the power-off state, because
This control mode is simpler, and for bi-directional electromagnetic shut-off valve, prepares lower with the cost of control.
In addition, in cooling mode, refrigerant flows to indoor heat exchanger 110 by outdoor heat exchanger 108, due to one-way control valve
Unidirectional cutoff characteristic do not need to power on the cut-off of the first bypass flow path can be realized, relative to multiple one-way control valves or two-way
The plan of establishment of solenoid electric valve is compared, and preparation cost is low, and reliability with higher.
In above-described embodiment, optionally, the outdoor heat exchanger 108 is connected by the second refrigerant pipeline and the four-way valve
It connects, second throttling device 120, the air conditioner is provided on second refrigerant pipeline further include: the second bypass line, with institute
The second refrigerant pipeline is stated to be arranged in parallel；Second control valve 122, be arranged on second bypass line, and with the controller
Between be electrically connected, to make the second bypass line on or off by receiving the control signal that the controller is sent.
In above-described embodiment, optionally, second control valve 122 is that unidirectional electromagnet cut off valve or bi-directional electromagnetic end
Valve, if second control valve 122 is unidirectional electromagnet cut off valve, the cut-off direction of second control valve 122 is along the room
External heat exchanger 108 is to the direction of the four-way valve.
In this embodiment, it is arranged in parallel by using normally closed unidirectional electromagnet cut off valve and second throttling device 120 or often
It closes bi-directional electromagnetic shut-off valve to be arranged in parallel with second throttling device 120, is conducive to improve liquid hammer risk when executing defrosting operation.
In addition, there is single-phase cutoff function in the case that unidirectionally electromagnet cut off valve is due to power-off, in cooling mode,
It does not need control to power on, therefore preparation cost is lower, and bi-directional electromagnetic shut-off valve is combined with second throttling device 120, Neng Goushi
The function of existing flow control.
Optionally, air conditioner further include: refrigerant heating device 126, including at least three kinds of set-up modes:
As shown in figure 5, refrigerant heating device 126B is set to the pipeline between the exhaust end and the four-way valve 104
On.
As shown in figure 4, refrigerant heating device 126A is set on the corresponding gas-liquid separator of the air return end.
As shown in fig. 6, refrigerant heating device 126 is set on the pipeline between the exhaust end and the four-way valve 104
On gas-liquid separator corresponding with the air return end.
Refrigerant heating device 126 is added for opening in defrosting operation with the refrigerant that the compressor 102 is discharged
Heat and/or the refrigerant for returning to the compressor 102 is heated.
In this embodiment, refrigerant heating device 126 is arranged by the exhaust end in compressor 102, to promote compressor
The refrigerant temperature of 102 discharges, on the one hand, be conducive to be promoted to indoor heating effect under heating mode, on the other hand, also favorably
In the heat that increase is carried from the refrigerant that indoor heat exchanger 110 flows to outdoor heat exchanger 108, and then promote defrosting effect.
By the way that refrigerant heating device 126 is arranged on gas-liquid separator, air-breathing mass dryness fraction when being able to ascend defrost alleviates compression
The problem of machine 102 returns liquid improves reliability.
As shown in figure 3, optionally, air conditioner further include: the auxiliary hot component 124 of electricity, it is corresponding with the indoor heat exchanger 110 to set
It sets, and is electrically connected between the controller, for being opened in the defrost pattern, to add to the indoor heat exchanger 110
Heat.
In this embodiment, frosting risk is being detected the presence of but the stage of not up to defrost condition, due to frosting
Limitation causes the heating effect of air conditioner to reduce, therefore can first open the auxiliary hot component 124 of electricity, and to be promoted, there are frosting risks
Heating effect under operating condition, and then promote the leaving air temp and room heating effect of indoor unit.
In addition, since the high temperature refrigerant of indoor heat exchanger 110 flows to outdoor heat exchanger 108, being led under defrost pattern
It causes to influence heating effect, by opening the auxiliary hot component 124 of electricity, can make up for it under defrost pattern to the deficiency of indoor heating ability,
To guarantee the usage experience of user.
In above-described embodiment, optionally, the outdoor heat exchanger 108 is constructed by single heat exchanger tube to be formed.
Fig. 2 to Fig. 9 shows the air conditioner structure for being provided with the outdoor heat exchanger 108 formed by single heat exchanger tube.
As shown in Fig. 2, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118.
As shown in figure 3, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and indoor is additionally provided with the auxiliary hot component of electricity
124。
As shown in figure 4, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126A is set to institute
It states on the corresponding gas-liquid separator of air return end.
As shown in figure 5, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126B is set to institute
It states on the pipeline between exhaust end and the four-way valve 104.
As shown in fig. 6, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126 is set to institute
It states on the pipeline between exhaust end and the four-way valve 104 on gas-liquid separator corresponding with the air return end.
As shown in fig. 7, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126A is set to institute
It states on the corresponding gas-liquid separator of air return end, indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 8, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126B is set to institute
It states on the pipeline between exhaust end and the four-way valve 104, indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 9, first throttling device 114 is provided on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126 is set to institute
It states on the pipeline between exhaust end and the four-way valve 104 on gas-liquid separator corresponding with the air return end, indoor is also set
It is equipped with the auxiliary hot component 124 of electricity.
In this embodiment, outdoor heat exchanger 108 is constructed by using single heat exchanger tube, reduces and is exposed to outdoor surface
Product, therefore can reduce the difficulty of defrost, to guarantee to maintain the progress of circulating direction identical with heating mode when in four-way valve 104
The reliability of defrosting operation.
In above-described embodiment, optionally, the outdoor heat exchanger 108 is constructed by multiple rows of heat exchanger tube to be formed.
Wherein, multiple rows of heat exchanger tube may include 2.6 row of room, double, 1.6 rows, 1.5 rows etc..
As shown in Figure 10, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and indoor is additionally provided with the auxiliary hot component of electricity
124。
As shown in figure 11, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126A is set to institute
It states on the corresponding gas-liquid separator of air return end, indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 12, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126B is set to institute
It states on the pipeline between exhaust end and the four-way valve 104, indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 13, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, and refrigerant heating device 126 is set to institute
It states on the pipeline between exhaust end and the four-way valve 104 on gas-liquid separator corresponding with the air return end, indoor is also set
It is equipped with the auxiliary hot component 124 of electricity.
In above-described embodiment, optionally, further includes: outdoor fan 106 is oppositely arranged with the outdoor heat exchanger 108,
And it is electrically connected between the controller；Indoor fan 112 is oppositely arranged with the indoor heat exchanger 110, and with the control
It is electrically connected between device processed, wherein in the defrost pattern, the controller control 106 reduction of speed of outdoor fan, and according to
The operation of indoor fan 112 described in anti-cold wind rule control.
In this embodiment, in air conditioner operational process, that is, detect the tube temperature of indoor heat exchanger 110 less than first
When temperature threshold, indoor fan 112, which is opened, to be caused to influence heating effect, pass through setting for indoor fan 112 to blows cold wind indoors
Anti-cold air control system rule is set, i.e., the tube temperature of heat exchanger 110 is just opened in the case where being greater than or equal to the first temperature threshold indoors
Indoor fan 112, and the revolving speed of indoor fan 112 is directly proportional to the tube temperature of indoor heat exchanger 110, to reach preferable heating
Effect.
In addition, when executing defrosting operation, by control 106 reduction of speed of outdoor fan or out of service, to prevent outdoor from changing
The heat of hot device 108 is to outdoor diffusion, to obtain good defrosting effect.
Wherein, the first temperature threshold can be determined according to the body surface temperature induction of user.
In above-described embodiment, optionally, it is preferable that the second control valve is also unidirectional electromagnet cut off valve, unidirectional electromagnetism cut-off
Valve is further the unidirectional electromagnet cut off valve of closed type.
Figure 14 to Figure 21 shows the air conditioner structure that bypass flow path is provided on the circuits of outdoor heat exchanger two sides, and
Two control valves 122 are normally closed unidirectional electromagnet cut off valve, and when power is off, four-way valve 104 is connected to 108 direction of outdoor heat exchanger, instead
To cut-off, wherein outdoor heat exchanger 108 can be the heat exchanger of multiple rows of heat exchange tubular type, or the heat exchange of single heat exchange tubular type
Device.
In above-described embodiment, optionally, the outdoor heat exchanger 108 passes through the second refrigerant pipeline and the four-way valve 104
It connects, is provided with second throttling device 120, the air conditioner on second refrigerant pipeline further include: the second bypass line, with
Second refrigerant pipeline is arranged in parallel；Second control valve 122, be arranged on second bypass line, and with the control
It is electrically connected between device, to make the second bypass line on or off by receiving the control signal that the controller is sent.
In above-described embodiment, optionally, second control valve is unidirectional electromagnet cut off valve or bi-directional electromagnetic shut-off valve.
As shown in figure 14, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122.
As shown in figure 15, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, and indoor is also set up
There is the auxiliary hot component 124 of electricity.
As shown in figure 16, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126A is set on the corresponding gas-liquid separator of the air return end.
As shown in figure 17, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126B is set on the pipeline between the exhaust end and the four-way valve 104.
As shown in figure 18, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126 are set to gas-liquid separator corresponding with the air return end on the pipeline between the exhaust end and the four-way valve 104
On.
As shown in figure 19, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126A is set on the corresponding gas-liquid separator of the air return end, and indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 20, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126B is set on the pipeline between the exhaust end and the four-way valve 104, and indoor is additionally provided with the auxiliary hot component 124 of electricity.
As shown in figure 21, it is provided with first throttling device 114 on the first heat exchanging pipe, in parallel with the first heat exchanging pipe
Bypass conduit is provided with the first one-way control valve 116 and the second one-way control valve 118, is provided with second on the second heat exchanging pipe
Throttling set 120, second bypass line in parallel with the second heat exchanging pipe are provided with the second control valve 122, refrigerant heating device
126 are set to gas-liquid separator corresponding with the air return end on the pipeline between the exhaust end and the four-way valve 104
On, indoor is additionally provided with the auxiliary hot component 124 of electricity.
In this embodiment, it is arranged in parallel by using normally closed unidirectional electromagnet cut off valve and second throttling device or normally closed double
It is arranged in parallel to electromagnet cut off valve and second throttling device, is conducive to improve liquid hammer risk when executing defrosting operation.
In addition, there is single-phase cutoff function in the case that unidirectionally electromagnet cut off valve is due to power-off, in cooling mode,
It does not need control to power on, therefore preparation cost is lower, and bi-directional electromagnetic shut-off valve can be realized stream in conjunction with second throttling device
Measure the function of control.
As shown in figure 22, the progress control method of embodiment according to the present invention, suitable for described in above-described embodiment
Air conditioner, the progress control method include:
Step 2202: the air conditioner runs on heating mode, is determined according to the duty parameter got by the heating
Pattern switching opens the auxiliary hot component of electricity to defrost pattern or in the heating mode；
Step 2204: in the defrost pattern, control four-way valve maintains conducting direction constant, and single to described first
First bypass line is connected to control valve and/or second one-way control valve transmission specified control signal.
In this embodiment, by bypass line in parallel with the refrigerant pipeline for being provided with throttling set, and in bypass line
Upper setting control valve controls first bypass line in parallel with the first refrigerant pipeline by control valve when executing defrosting operation
Conducting to reduce the pressure difference between indoor heat exchanger and outdoor heat exchanger, and passes through first in conjunction with the control to throttling set
Bypass management conducting, enables the high temperature refrigerant of indoor heat exchanger side to rapidly flow to outdoor heat exchanger, and then pass through high temperature refrigerant
Defrosting effect is realized in heat dissipation.
Wherein, the duty parameter includes temperature case parameter and/or time duty parameter.
In addition, making institute to first one-way control valve and/or second one-way control valve transmission specified control signal
The conducting of the first bypass line is stated, according to the difference of the first one-way control valve and the set-up mode of the second one-way control valve, corresponding tool
There is different control modes, comprising:
If the cut-off direction of the first one-way control valve is indoor heat exchanger to outdoor heat exchanger, the second one-way control valve and the
One one-way control valve is oppositely arranged, opens the conducting of the first one-way control valve by control at this time, the first bypass flow path is connected, this
When the second one-way control valve be in when uncontrolled along indoor heat exchanger to the direction of outdoor heat exchanger be connected.
If the cut-off direction of the first one-way control valve is outdoor heat exchanger to indoor heat exchanger, the second one-way control valve and the
One one-way control valve is oppositely arranged, opens the conducting of the second one-way control valve by control at this time, the first bypass flow path is connected, this
When the first one-way control valve be in when uncontrolled along indoor heat exchanger to the direction of outdoor heat exchanger be connected.
The cut-off direction of first one-way control valve and the second one-way control valve is indoor heat exchanger to outdoor heat exchanger side
To being connected at this point, controlling the first one-way control valve simultaneously with the second one-way control valve.
In above-described embodiment, optionally, further includes: if opening the auxiliary hot component of electricity, continue to acquire the operating condition ginseng
Whether number, have the heating mode to switch to the defrost pattern to be continued to test according to the duty parameter.
In this embodiment, if determining current outdoor heat exchanger according to duty parameter, there are the risks of frosting, that is, enter knot
White detection-phase, at this time by determining corresponding defrost unlocking condition and auxiliary heating unlocking condition, in frosting detection-phase
Real-time duty parameter is continued to test, with a reality in duty parameter and defrost unlocking condition or auxiliary heating unlocking condition
When now matching, corresponding control operation is executed, on the one hand, detecting the presence of frosting risk but the rank of not up to defrost condition
Section can open the auxiliary hot component of electricity, first since the limitation of frosting causes the heating effect of air conditioner to reduce to promote presence
Heating effect under the operating condition of frosting risk, and then the leaving air temp and room heating effect of indoor unit are promoted, on the other hand, lead to
Setting defrost unlocking condition and auxiliary heating unlocking condition are crossed, accurate evaluation can be carried out to the time point for entering defrost pattern,
To which the duration for being beneficial to prevent defrosting mode is too long, the normal use of user is influenced.
In above-described embodiment, optionally, the air conditioner runs on the heating mode, further includes: control described first
One-way control valve is closed, so that the outdoor heat exchanger of the first bypass cut-off and the air conditioner passes through the second refrigerant pipe
Road is connect with four-way valve, if second refrigerant pipeline is parallel with the second bypass flow path, is provided in second bypass flow path
Second control valve then controls second control valve and opens, so that corresponding second bypass flow path is connected.
In this embodiment, in a heating mode, the first one-way control valve of control is closed, so that corresponding first bypass pipe
Road cut-off, by adjusting the first throttling device on parallel pipeline, realization heat-production functions, the second control valve of control is opened, so that
Corresponding second bypass line conducting, to guarantee the reliability of refrigerant circulation between outdoor heat exchanger and four-way valve.
In above-described embodiment, optionally, first one-way control valve is opened in the control, so that first bypass pipe
Road conducting, further includes: control second control valve is closed, with second bypass line cut-off.
In this embodiment, in the side that outdoor heat exchanger is connect with indoor heat exchanger, by be provided with throttling set
Refrigerant pipeline parallel connection bypass line, and control valve is set on bypass line, when executing defrosting operation, passes through control valve control
System is connected with the first bypass line of the first refrigerant pipeline parallel connection, in conjunction with the control to throttling set, to reduce indoor heat exchanger
Pressure difference between outdoor heat exchanger, and by the first bypass management conducting, enable the high temperature refrigerant of indoor heat exchanger side
Outdoor heat exchanger is rapidly flowed to, and then is radiated by high temperature refrigerant and realizes defrosting effect.
In the side that outdoor heat exchanger is connect with four-way valve, filled by using normally closed unidirectional electromagnet cut off valve and the second throttling
It sets and is arranged in parallel or normally closed bi-directional electromagnetic shut-off valve is arranged in parallel with second throttling device, be conducive to improve when executing defrosting operation
Liquid hammer risk.
In above-described embodiment, optionally, it is provided with second throttling device on second refrigerant pipeline, if by the heating
Pattern switching is to the defrost pattern, further includes: in the defrost pattern, determines temperature range belonging to outdoor temperature；Root
Corresponding first object aperture and the second target aperture are determined according to the temperature range；The first throttling device is controlled to be adjusted to
The first object aperture；It controls the second throttling device and is adjusted to the second target aperture.
Wherein, the temperature value in temperature range is lower, and the aperture of corresponding throttling set is bigger.
Wherein, by the control to first throttling device, it can be realized the defrosting effect under heating mode, by second
The control of throttling set, during can reduce defrost, compressor is run by the probability of liquid hammer to promote air-conditioner system
Reliability.
In above-described embodiment, optionally, if switching to the defrost pattern by the heating mode, further includes: described
In defrost pattern, if detecting, indoor tube temperature is greater than or equal to the first temperature threshold, controls and opens the indoor fan, and
The revolving speed of the indoor fan controls between the indoor tube temperature as positive correlation；And the control outdoor fan reduction of speed fortune
Row.
In this embodiment, in air conditioner operational process, that is, detect the tube temperature of indoor heat exchanger less than the first temperature
When spending threshold value, indoor fan, which is opened, to be caused to influence heating effect, pass through the anti-cold wind of the setting of indoor fan to blows cold wind indoors
Control rule, i.e., the tube temperature of heat exchanger just opens indoor fan in the case where being greater than or equal to the first temperature threshold indoors, and
And the revolving speed of indoor fan is directly proportional to the tube temperature of indoor heat exchanger, to reach preferable heating effect.
In addition, when executing defrosting operation, by control outdoor fan reduction of speed or out of service, to prevent outdoor heat exchanger
Heat to outdoor diffusion, to obtain good defrosting effect.
Wherein, the first temperature threshold can be determined according to the body surface temperature induction of user.
In above-described embodiment, optionally, if switching to the defrost pattern by the heating mode, further includes: described
In defrost pattern, the auxiliary hot component of electricity is opened in control.
In this embodiment, frosting risk is being detected the presence of but the stage of not up to defrost condition, due to frosting
Limitation causes the heating effect of air conditioner to reduce, therefore can first open the auxiliary hot component of electricity, and to be promoted, there are the works of frosting risk
Heating effect under condition, and then promote the leaving air temp and room heating effect of indoor unit.
In addition, since the high temperature refrigerant of indoor heat exchanger flows to outdoor heat exchanger, causing to influence under defrost pattern
Heating effect can make up for it by opening the auxiliary hot component of electricity to the deficiency of indoor heating ability under defrost pattern, to guarantee user
Usage experience.
In above-described embodiment, optionally, if switching to the defrost pattern by the heating mode, further includes: described
In defrost pattern, refrigerant heating device is opened in control.
In this embodiment, refrigerant heating device is arranged by the exhaust end in compressor, to promote compressor discharge
Refrigerant temperature, on the one hand, be conducive to be promoted to indoor heating effect under heating mode, on the other hand, be also beneficial to increase certainly
Indoor heat exchanger flows to the heat that the refrigerant of outdoor heat exchanger carries, and then promotes defrosting effect.
By the way that refrigerant heating device is arranged on gas-liquid separator, air-breathing mass dryness fraction when being able to ascend defrost alleviates compressor
The problem of returning liquid improves reliability.
In above-described embodiment, optionally, is determined according to the duty parameter and defrost pattern is switched to by the heating mode
Or the auxiliary hot component of electricity is opened in the heating mode, and it specifically includes: in the heating mode,
Detect that room temperature enters the first temperature threshold section；Determination is corresponding with first temperature threshold section more
A second temperature threshold interval；Detect outdoor temperature enter any second temperature threshold interval, respectively determine with it is any
The corresponding defrost unlocking condition of the second temperature threshold interval and auxiliary heating unlocking condition；According to the defrost open strip
Before part opens defrosting operation, detects that collected duty parameter is matched with auxiliary heating unlocking condition, then control unlatching
The auxiliary hot component of electricity.
In this embodiment, by preset the first temperature threshold section corresponding with room temperature, and with the first temperature
The corresponding multiple second temperature threshold intervals of threshold interval, second temperature threshold interval is corresponding with outdoor temperature, if detecting room
Between temperature be in the first temperature threshold section, and when outdoor temperature is in any second temperature threshold interval, show frosting
Risk is big, that is, enters frosting detection-phase, if there is frost, but frost thickness is not up to the degree for needing defrost, at this time
By determining defrost unlocking condition corresponding with second temperature threshold interval and auxiliary heating unlocking condition, to detect rank in frosting
Section continues to test real-time duty parameter, with one in duty parameter and defrost unlocking condition or auxiliary heating unlocking condition
When realizing matching, corresponding control is specified to operate, for example, it is then directly entered defrost pattern when matching with defrost unlocking condition,
When matching with auxiliary heating unlocking condition, then the auxiliary hot component of electricity is first opened, to guarantee to indoor heating effect, on the one hand,
Detecting frost occur, but frost thickness is not up to the degree for needing defrost but the stage of not up to defrost condition,
Since the limitation of frosting causes the heating effect of air conditioner to reduce, the auxiliary hot component of electricity can be opened, first to promote unlatchingization
Frost operation before heating effect, on the other hand, by setting defrost unlocking condition and auxiliary heating unlocking condition, can into
The time point for entering defrost pattern carries out accurate evaluation, to be conducive to reduce the opening time of defrosting operation, prevents from influencing user
To the normal use of air conditioner.
In above-described embodiment, optionally, described determined according to the duty parameter switches to defrost by the heating mode
Mode opens the auxiliary hot component of electricity in the heating mode, specifically further include: in the frosting detection-phase, if detecting room
The variable quantity of the temperature difference between the variable quantity of outer tube temperature, and/or indoor tube temperature and room temperature meets the defrost unlocking condition,
Then switch to the defrost pattern.
In above-described embodiment, optionally, further includes: during executing defrosting operation, continue to acquire duty parameter, if inspection
It measures the duty parameter satisfaction and exits defrost condition, then the heating mode is switched back by the defrost pattern, wherein described
The variable quantity absolute threshold of outdoor tube temperature in defrost unlocking condition is greater than the outdoor tube temperature in the auxiliary heating unlocking condition
Variable quantity absolute threshold.
Wherein, variable quantity absolute threshold is absolute value, and when change rate threshold value is considered as an absolute value, (i.e. variable quantity is exhausted
To threshold value), then the variable quantity absolute threshold of the outdoor tube temperature in defrost unlocking condition is greater than the room in auxiliary heating unlocking condition
The variable quantity absolute threshold of outer tube temperature, in fact, with the increase of running time, outdoor tube temperature is in decline state, therefore its
Actual variable quantity is a negative value, and in this case, the variable quantity threshold value of the outdoor tube temperature in defrost unlocking condition is less than
The variable quantity threshold value of outdoor tube temperature in auxiliary heating unlocking condition.
In this embodiment, by the variable quantity absolute threshold to the outdoor tube temperature in defrost unlocking condition in the auxiliary
The restriction for heating the variable quantity absolute threshold of the outdoor tube temperature in unlocking condition makes the condition for opening the auxiliary heat of electricity be easier to reach, changes
Comparatively white unlocking condition is more difficult to reach, therefore can satisfy and open the auxiliary heat of electricity between defrost, heats to indoor auxiliary
Demand.
In above-described embodiment, optionally, further includes: if switching back into the heating mode, whether sensing chamber's internal pipe temperature is greater than
Or it is equal to second temperature threshold value；If it is described interior tube temperature be less than the second temperature threshold value, control the auxiliary hot component of the electricity after
Continue it is in the open state, until the indoor tube temperature rises to more than or equal to the second temperature threshold value.
In this embodiment, it is determined after defrost by the relationship between sensing chamber's internal pipe temperature and second temperature threshold value
Whether electricity auxiliary hot component is continued starting, to solve the problems, such as that indoor heat exchanger heat supply heats up slow after the completion of defrost.
Second temperature threshold value indicates that the indoor heat exchanger tube temperature can not provide good heating air-out effect, can be according to making
It is determined with empirical value.
In above-described embodiment, optionally, further includes: the air conditioner runs on refrigeration mode, and it is unidirectional to control described first
Control valve and second one-way control valve are closed, so that first bypass line ends；If being set on the second refrigerant flow
The second control valve is set, and second control valve is unidirectional electromagnet cut off valve, then controls the unidirectional electromagnet cut off valve power-off, if
Second control valve is bi-directional electromagnetic shut-off valve, then controls the bi-directional electromagnetic shut-off valve and power on, so that second bypass
Pipeline conducting.
In this embodiment, by jointly controlling to the first one-way control valve and the second electromagnet cut off valve, refrigeration is realized
The independent operating and heating mode of mode and defrost pattern take into account operation.
Specifically, in cooling mode, refrigerant flows to indoor heat exchanger by outdoor heat exchanger, due to the list of one-way control valve
It does not need to power on to cut-off characteristics and the cut-off of the first bypass flow path can be realized, relative to multiple one-way control valves or bi-directional electromagnetic
The plan of establishment of control valve is compared, and preparation cost is low, and reliability with higher.
Wherein, the one-way conduction direction of the unidirectional electromagnet cut off valve is from the four-way valve to the outdoor heat exchanger side
To.
As shown in figure 21, below with the first one-way control valve 116 and the second one-way control valve 118 for the unidirectional electromagnetism of closed type
For shut-off valve, the first one-way control valve when power is off, can along outdoor heat exchanger to indoor heat exchanger direction one-way conduction,
Two one-way control valves when power is off, can be connected along indoor heat exchanger to outdoor heat exchanger direction, the second control valve 122 is normally closed
For the unidirectional electromagnet cut off valve of type, when power is off, it can be connected along four-way valve to outdoor heat exchanger direction.
As shown in figure 23, progress control method according to first embodiment of the invention, comprising:
Step 2302, the air conditioner is controlled to run in a heating mode, control four-way valve power on, the first one-way control valve
Power-off (if setting, the second control valve power on), first throttling device adjust the aperture to heating mode (if being arranged, second
Throttling set adjusts the aperture to heating mode), outdoor fan and compressor start are run, and indoor fan is according to anti-cold wind rule
Operation；
Step 2304, room temperature, indoor tube temperature, outdoor tube temperature and outdoor temperature are detected, persistently to determine whether from system
Heat pattern switches to defrost pattern；
Step 2306, if switching to defrost pattern, four-way valve is still kept powered on, the first one-way control valve power on (if setting,
Then second control power-off), control increase first throttling device aperture (if setting, according to defrost pattern adjust second throttling fill
The aperture set), outdoor fan reduction of speed or shutdown, indoor fan according to anti-cold wind rule adjustment, control open the auxiliary hot component of electricity with
Refrigerant heating device；
Step 2308, continue sensing chamber's internal pipe temperature, outdoor tube temperature and defrost duration in defrost pattern, moved back if meeting defrost
Condition out exits defrost pattern, and continues to run in a heating mode.
As shown in figure 24, the progress control method of second embodiment according to the present invention, comprising:
Step 2402, the air conditioner is controlled to run in a heating mode, control four-way valve power on, the first one-way control valve
Power-off (if setting, the second control valve power on), first throttling device adjust the aperture to heating mode (if being arranged, second
Throttling set adjusts the aperture to heating mode), outdoor fan and compressor start are run, and indoor fan is according to anti-cold wind rule
Operation；
Step 2404, room temperature, indoor tube temperature, outdoor tube temperature and outdoor temperature are detected, persistently to determine whether from system
Heat pattern switches to defrost pattern；
Step 2406, if switching to defrost pattern, four-way valve is still kept powered on, the first one-way control valve power on (if setting,
Then the second control valve power off), control increase first throttling device aperture (if setting, according to defrost pattern adjust second throttling
The aperture of device), outdoor fan reduction of speed or shutdown, indoor fan opens the auxiliary hot component of electricity according to anti-cold wind rule adjustment, control
With refrigerant heating device；
Step 2408, continue sensing chamber's internal pipe temperature, outdoor tube temperature and defrost duration in defrost pattern, moved back if meeting defrost
Condition out exits defrost pattern, and continues to run in a heating mode, and after returning to heating mode, whether sensing chamber's internal pipe temperature
More than or equal to second temperature threshold value, if being less than second temperature threshold value, the auxiliary hot component of electricity is continued starting.
As shown in figure 25, the progress control method of third embodiment according to the present invention, comprising:
Step 2502, the air conditioner is controlled to run in a heating mode, control four-way valve power on, the first one-way control valve
Power-off (if setting, the second control valve power on), first throttling device adjust the aperture to heating mode (if being arranged, second
Throttling set adjusts the aperture to heating mode), outdoor fan and compressor start are run, and indoor fan is according to anti-cold wind rule
Operation；
Step 2504, room temperature, indoor tube temperature, outdoor tube temperature and outdoor temperature are detected, persistently to determine whether making
The auxiliary hot component of electricity is opened under heat pattern；
Step 2506, if opening the auxiliary hot component of electricity, room temperature, indoor tube temperature, outdoor tube temperature and outdoor temp are persistently detected
Degree, to determine whether to switch to defrost mould from heating mode according to the change rate of the change rate of outdoor tube temperature and/or indoor tube temperature
Formula；
Step 2508, if switching to defrost pattern, four-way valve is still kept powered on, the first one-way control valve power on (if setting,
Then the second control valve power off), control increase first throttling device aperture (if setting, according to defrost pattern adjust second throttling
The aperture of device), outdoor fan reduction of speed or shutdown, indoor fan opens the auxiliary hot component of electricity according to anti-cold wind rule adjustment, control
With refrigerant heating device；
Step 2510, continue sensing chamber's internal pipe temperature, outdoor tube temperature and defrost duration in defrost pattern, moved back if meeting defrost
Condition out exits defrost pattern, and continues to run in a heating mode, and after returning to heating mode, whether sensing chamber's internal pipe temperature
More than or equal to second temperature threshold value, if being less than second temperature threshold value, the auxiliary hot component of electricity is continued starting.
As shown in figure 26, the progress control method of the 4th embodiment according to the present invention, comprising:
Step 2602, the air conditioner runs on refrigeration mode, and control four-way valve power-off is flowed to, first with changing refrigerant
One-way control valve power-off (if setting, the power-off of the second control valve), first throttling device adjusts the aperture to refrigeration mode, outdoor wind
Machine, indoor fan and compressor start are run
As described in Figure 27, operation control according to an embodiment of the invention fills 270, which includes: memory
2704 and processor 2702；Memory 2704, for storing program code；Processor 2702 is executed for caller code:
The step of progress control method described in any of the above-described embodiment.
The air conditioner of embodiment according to the present invention, comprising: operating control device 270 provided by the above embodiment.
The computer readable storage medium of embodiment according to the present invention is stored thereon with computer program, the calculating
The step of machine program is performed, realizes progress control method described in any of the above embodiments.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from right of the present invention by those skilled in the art
It is required that and its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.
Claims (26)
1. a kind of air conditioner characterized by comprising
Compressor；
Four-way valve is connected to the exhaust end of the compressor and air return end；
The outdoor heat exchanger and indoor heat exchanger connected by the first refrigerant pipeline, can be connected to the four-way valve respectively；
First throttling device is arranged on first refrigerant pipeline；
First bypass line is arranged in parallel with first refrigerant pipeline；
First one-way control valve and the second one-way control valve are arranged on first bypass line, and described first is unidirectionally controlled
At least one of valve and second one-way control valve can be along the outdoor heat exchangers to the flow direction of the indoor heat exchanger
Cut-off；
Controller is electrically connected with the four-way valve, first one-way control valve and second one-way control valve respectively,
Defrosting operation is opened under heating mode, controls the conducting direction that the four-way valve remains current, and unidirectionally control to described first
First bypass line is connected in valve processed and/or second one-way control valve transmission specified control signal.
2. air conditioner according to claim 1, which is characterized in that
First one-way control valve and second one-way control valve are the unidirectional electromagnet cut off valve of closed type, and described first is unidirectional
Control valve and second one-way control valve are oppositely arranged,
The controller can control double after first one-way control valve is powered on one in second one-way control valve
To conducting, first bypass line is connected.
3. air conditioner according to claim 1, which is characterized in that the outdoor heat exchanger passes through the second refrigerant pipeline and institute
Four-way valve connection is stated, is provided with second throttling device, the air conditioner on second refrigerant pipeline further include:
Second bypass line is arranged in parallel with second refrigerant pipeline；
Second control valve, setting are electrically connected on second bypass line, and between the controller, by receiving institute
The control signal for stating controller transmission makes the second bypass line on or off.
4. air conditioner according to claim 3, which is characterized in that
Second control valve be unidirectional electromagnet cut off valve or bi-directional electromagnetic shut-off valve,
If second control valve is unidirectional electromagnet cut off valve, the cut-off direction of second control valve is along the outdoor heat exchange
Device is to the direction of the four-way valve.
5. air conditioner according to claim 1, which is characterized in that further include:
Refrigerant heating device is electrically connected with the controller, is set on the pipeline between the exhaust end and the four-way valve,
And/or be set on the corresponding gas-liquid separator of the air return end, for being opened in defrosting operation, to arrange the compressor
Refrigerant out carries out heating and/or heats to the refrigerant for returning to the compressor.
6. air conditioner according to claim 1, which is characterized in that further include:
The auxiliary hot component of electricity, is correspondingly arranged, and be electrically connected between the controller with the indoor heat exchanger, in describedization
It is opened in white mode, to be heated to the indoor heat exchanger.
7. air conditioner according to any one of claim 1 to 6, which is characterized in that
The outdoor heat exchanger is constructed by single heat exchanger tube and is formed.
8. air conditioner according to any one of claim 1 to 6, which is characterized in that
The outdoor heat exchanger is constructed by multiple rows of heat exchanger tube and is formed.
9. air conditioner according to any one of claim 1 to 6, which is characterized in that further include:
Outdoor fan is oppositely arranged with the outdoor heat exchanger, and is electrically connected between the controller；
Indoor fan is oppositely arranged with the indoor heat exchanger, and is electrically connected between the controller,
Wherein, in the defrost pattern, the controller controls the outdoor fan reduction of speed, and according to anti-cold wind rule control
The indoor fan operation.
10. air conditioner according to any one of claim 1 to 6, which is characterized in that
The first throttling device is any one in capillary, electric expansion valve and heating power expansion valve；
The second throttling device is any one in capillary, electric expansion valve and heating power expansion valve.
11. a kind of progress control method, suitable for the air conditioner as described in any one of claims 1 to 10, which is characterized in that
The progress control method includes:
The air conditioner runs on heating mode, is determined according to the duty parameter got and switches to defrost by the heating mode
Mode opens the auxiliary hot component of electricity in the heating mode；
In the defrost pattern, control four-way valve maintains conducting direction constant, and to first one-way control valve and/or
First bypass line is connected in the second one-way control valve transmission specified control signal.
12. progress control method according to claim 11, which is characterized in that further include:
If opening the auxiliary hot component of electricity, continues to acquire the duty parameter, be to be continued to test according to the duty parameter
It is no to there is the heating mode to switch to the defrost pattern.
13. progress control method according to claim 11, which is characterized in that the air conditioner runs on the heating mould
Formula, further includes:
First one-way control valve is controlled to close, so that the first bypass cut-off, and
The outdoor heat exchanger of the air conditioner is connect by the second refrigerant pipeline with four-way valve, if second refrigerant pipeline is in parallel
There is the second bypass flow path, be provided with the second control valve in second bypass flow path, then controls second control valve and open, with
Corresponding second bypass flow path is connected.
14. progress control method according to claim 13, which is characterized in that the described first unidirectional control is opened in the control
Valve processed, so that first bypass line is connected, further includes:
It controls second control valve to close, with second bypass line cut-off.
15. progress control method according to claim 13, which is characterized in that be provided on second refrigerant pipeline
Two throttling sets, if switching to the defrost pattern by the heating mode, further includes:
In the defrost pattern, temperature range belonging to outdoor temperature is determined；
Corresponding first object aperture and the second target aperture are determined according to the temperature range；
It controls the first throttling device and is adjusted to the first object aperture；
It controls the second throttling device and is adjusted to the second target aperture.
16. progress control method according to claim 11, which is characterized in that if being switched to by the heating mode described
Defrost pattern, further includes:
In the defrost pattern, if detecting, indoor tube temperature is greater than or equal to the first temperature threshold, controls and opens the room
Inner blower, and be positive correlation between the revolving speed control of the indoor fan and the indoor tube temperature；And
Control the outdoor fan fall-back.
17. progress control method according to claim 11, which is characterized in that if being switched to by the heating mode described
Defrost pattern, further includes:
In the defrost pattern, the auxiliary hot component of electricity is opened in control.
18. progress control method according to claim 11, which is characterized in that if being switched to by the heating mode described
Defrost pattern, further includes:
In the defrost pattern, refrigerant heating device is opened in control.
19. progress control method described in any one of 1 to 18 according to claim 1, which is characterized in that described according to the work
Condition parameter, which is determined, to be switched to defrost pattern by the heating mode or opens the auxiliary hot component of electricity in the heating mode, specific to wrap
It includes:
In the heating mode, detect that room temperature enters the first temperature threshold section；
Determine multiple second temperature threshold intervals corresponding with first temperature threshold section；
Detect that outdoor temperature enters any second temperature threshold interval, respectively determining and any second temperature threshold value
The corresponding defrost unlocking condition in section and auxiliary heating unlocking condition；
Before opening defrosting operation according to the defrost unlocking condition, detect that collected duty parameter and the auxiliary heat
Unlocking condition matching then controls the auxiliary hot component of unlatching electricity.
20. progress control method according to claim 19, which is characterized in that it is described according to the duty parameter determine by
The heating mode switches to defrost pattern or opens the auxiliary hot component of electricity in the heating mode, specifically further include:
In the frosting detection-phase, if detecting the variable quantity of outdoor tube temperature, and/or between indoor tube temperature and room temperature
The variable quantity of the temperature difference meets the defrost unlocking condition, then switches to the defrost pattern,
Wherein, the variable quantity absolute threshold of the outdoor tube temperature in the defrost unlocking condition is greater than auxiliary heating unlocking condition
In outdoor tube temperature variable quantity absolute threshold.
21. progress control method described in any one of 1 to 18 according to claim 1, which is characterized in that further include:
During executing defrosting operation, continue to acquire duty parameter, if detecting, the duty parameter satisfaction exits defrost item
Part then switches back into the heating mode by the defrost pattern.
22. progress control method according to claim 17, which is characterized in that further include:
If switching back into the heating mode, whether sensing chamber's internal pipe temperature is greater than or equal to second temperature threshold value；
If the interior tube temperature is less than the second temperature threshold value, controls the auxiliary hot component of the electricity and keeps open state,
Until the indoor tube temperature rises to more than or equal to the second temperature threshold value.
23. progress control method described in any one of 1 to 18 according to claim 1, which is characterized in that further include:
The air conditioner runs on refrigeration mode, controls first one-way control valve and second one-way control valve is closed,
So that the first bypass line cut-off；
If the second control valve is arranged on the second refrigerant flow, and second control valve is unidirectional electromagnet cut off valve, then controls
The unidirectional electromagnet cut off valve power-off controls the bi-directional electromagnetic and cuts if second control valve is bi-directional electromagnetic shut-off valve
Only valve powers on, so that second bypass line is connected.
24. a kind of operating control device is suitable for air conditioner characterized by comprising processor, the processor execute meter
It can be realized the step of progress control method as described in any one of claim 11 to 23 limits when calculation machine program.
25. a kind of air conditioner characterized by comprising
Operating control device as claimed in claim 24.
26. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
The step of being performed, realizing the progress control method as described in any one of claim 11 to 23.
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| CN110940055A (en) * | 2019-12-16 | 2020-03-31 | 宁波奥克斯电气股份有限公司 | Heating and defrosting control method and device for air conditioner and air conditioner |
| CN111503825A (en) * | 2020-04-29 | 2020-08-07 | 广东美的制冷设备有限公司 | Control method of air conditioning system and air conditioning system |
| CN112460766A (en) * | 2020-12-01 | 2021-03-09 | 珠海格力电器股份有限公司 | Cold air prevention control method, device, equipment and readable medium |
| CN112944594A (en) * | 2021-01-29 | 2021-06-11 | 青岛海尔空调器有限总公司 | Method and device for defrosting control of air conditioner and air conditioner |
| CN115468285A (en) * | 2022-08-22 | 2022-12-13 | 珠海格力电器股份有限公司 | Cold air prevention control method and device for floor heating air conditioner and floor heating air conditioner |
| WO2023178999A1 (en) * | 2022-03-21 | 2023-09-28 | 青岛海尔空调器有限总公司 | Defrosting and heating control method and system, device, and storage medium |
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Application publication date: 20190827 |